A St. Peter man is facing criminal charges after authorities say he had a relationship with a 14–year–old girl.
Mankato Public Safety and the Nicollet County Sheriff's office recently investigated Gregory Ross Sunderman.
Authorities say the 51 year–old Sunderman had been engaging in a sexual relationship with a 14–year–old female in Mankato.
Sunderman was arrested yesterday on charges of third degree criminal sexual conduct.
He's currently in custody in the Blue Earth County jail.